Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

GD • F/SI2 • GIA 2537721327

Certificate GIA 2537721327

Diamond specifications and retailer prices

From $570 SGD
As of November 6, 2026
Save $1,224 SGD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,441 SGD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2537721327. Listed at 19 retailers as of November 4, 2026, with a 215% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537721327
Dimensions6.36 × 4.50 × 2.78 mm
L/W Ratio1.41
Top View
6.36 mm4.50 mm0.51 ctF / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2537721327
Side View
Table 56.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $570 SGD|Low: $491 SGD|High: $1,819 SGD|Avg: $971 SGD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$570 SGD
Retailer 6$718 SGD
Retailer 7$795 SGD
Retailer 5$838 SGD
Retailer 8$920 SGD
Retailer 2$947 SGD
Retailer 4$1,148 SGD
Retailer 3$1,794 SGD

40 data points across 8 retailers

19 retailers$570 SGD to $1,794 SGD

A
Cheapest Retailer
-
$570 SGD
B+
Retailer 2
-
$718 SGD
View
Final sale: no returns
B+
Retailer 3
-
$737 SGD
View
Retailer 4
-
$779 SGD
View
Price last confirmed 40 days ago
Retailer 5
-
$779 SGD
View
Price last confirmed 20 days ago
Retailer 6
-
$795 SGD
View
Price last confirmed 31 days ago
Retailer 7
-
$838 SGD
View
Price last confirmed 22 days ago
Retailer 8
-
$838 SGD
View
Price last confirmed 22 days ago
Retailer 9
-
$898 SGD
View
Price last confirmed 40 days ago
B+
Retailer 10
-
$898 SGD
View
Retailer 11
-
$898 SGD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
$920 SGD
View
B+
Retailer 13
-
$947 SGD
View
B+
Retailer 14
-
$947 SGD
View
B
Retailer 15
-
$1,148 SGD
View
C
Retailer 16
-
$1,794 SGD
View
Retailer 17
-
$2,441 SGD
View
Price last confirmed 40 days ago
Retailer 18
-
$2,441 SGD
View
Price last confirmed 21 days ago
Most Expensive
NZ Jewellers
81c7a6b7-caf1-4490-9eae-d224d2f4bbd6 · Oct 23
$2,441 SGD
$1,905 USD
View
Price last confirmed 14 days ago
18 more retailers have this diamond
Prices start from $570 SGDSave up to $1,224 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.51ct Oval
$570 SGD